InThinking Subject Sites
Subscription websites for IB teachers & their classes
Disclaimer: InThinking subject sites are neither endorsed by nor connected with the International Baccalaureate Organisation.
IB Approved Workshops
Mathematics: Applications and interpretation
IB DP Category 2
Barcelona, Spain, 14 - 16 February 2025
Find out more
Mathematics
IB MYP Category 2
Paris, France, 21 - 23 February 2025
Find out more
Mathematics: Analysis and approaches
IB DP Category 2
Berlin, Germany, 28 February - 2 March 2025
Find out more
Find all InThinking Workshops at
inthinking.net
Most popular
Number & Algebra
SL Scheme Number & Algebra Free
The new Mathematics: Applications and Interpretation syllabus is out and published on the IB website. Log in to your MyIB account and head to this link . It is a new course with a new name and renewed...
Question bank
Question bank Free
Want to make a quick set of practice questions? A revision pack for an end of unit test? A Quiz or end of unit test? Go straight there with this qbank link With nearly 1000 questions and fully worked...
Number & Algebra
SL Standard Form, Accuracy & Estimation
This sub topic covers some of the key skills that will be needed through some of the other topics. Firstly, working with numbers in standard index form allows us to work efficiently with the extremely...
Number & Algebra
SL Amortization and Annuities
The '2018 State of the Nation's Housing' report from Harvard university states that more than 1 In 3 households pay over 30% of their income in housing costs (rental or mortgage payments). Furthermore,...
Assessment
Internal Assessment Center - For students
Everything you need to successfully navigate the Internal Assessment process! At 20% of your final grade, there is little need to persuade people how important this task is. You can make a big difference...
Number & Algebra
SL Arithmetic Sequences
The recommended teaching time is 2hours. The topic does offer opportunities to use some of the Tool Kit time as well though. Please find below some slides to help present and teach these ideas to students....
Number & Algebra
Number & Algebra
This is the parent page for all of the subtopics for the Number and Algebra unit of the course. The topic pages have all of the links to the teaching and learning resources you need! There are 3 main...
Number & Algebra
SL Compound Interest & depreciation
This is a topic that most will have seen before. The idea of repeated percentage change and the relationship with exponential functions and geometric sequences is what this is all about. What is often...
Assessment
SL Exam - Paper 1
Below is a full, example Paper 1: short-response questions (3 to 9 marks).A Printable version (PDF), with space for student answers, is also available here See "STUDENT ACCESS" TOP LEFT of every page...
Number & Algebra
SL Indices & Logs Free
This sub topic is all about understanding how to express and work with numbers written in index form. As well, we will explore the inverse of indices and the basic concept of logarithms. This all draws...